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2100484 = 221373833
BaseRepresentation
bin1000000000110100000100
310221201022201
420000310010
51014203414
6113004244
723565601
oct10006404
93851281
102100484
111205141
12853684
135870b9
143c96a8
152b7574
hex200d04

2100484 has 12 divisors (see below), whose sum is σ = 3703644. Its totient is φ = 1042304.

The previous prime is 2100473. The next prime is 2100487. The reversal of 2100484 is 4840012.

It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 1272384 = 910^2 + 1128^2 .

It is not an unprimeable number, because it can be changed into a prime (2100487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (308637).

22100484 is an apocalyptic number.

It is an amenable number.

2100484 is a deficient number, since it is larger than the sum of its proper divisors (1603160).

2100484 is a wasteful number, since it uses less digits than its factorization.

2100484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2100484 is about 1449.3046608633. The cubic root of 2100484 is about 128.0677538433.

Adding to 2100484 its reverse (4840012), we get a palindrome (6940496).

The spelling of 2100484 in words is "two million, one hundred thousand, four hundred eighty-four".

Divisors: 1 2 4 137 274 548 3833 7666 15332 525121 1050242 2100484